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In multiple instance multiple label learning, each sample, a bag, consists of multiple instances. To alleviate labeling complexity, each sample is associated with a set of bag-level labels leaving instances within the bag unlabeled. This…

机器学习 · 计算机科学 2021-07-28 Tam Nguyen , Raviv Raich

We propose a new formulation of Multiple-Instance Learning (MIL), in which a unit of data consists of a set of instances called a bag. The goal is to find a good classifier of bags based on the similarity with a "shapelet" (or pattern),…

机器学习 · 计算机科学 2020-10-14 Daiki Suehiro , Kohei Hatano , Eiji Takimoto , Shuji Yamamoto , Kenichi Bannai , Akiko Takeda

We describe a novel weakly supervised deep learning framework that combines both the discriminative and generative models to learn meaningful representation in the multiple instance learning (MIL) setting. MIL is a weakly supervised…

机器学习 · 计算机科学 2018-07-09 Shabnam Ghaffarzadegan

Multiple instance learning (MIL) is a variation of traditional supervised learning problems where data (referred to as bags) are composed of sub-elements (referred to as instances) and only bag labels are available. MIL has a variety of…

机器学习 · 计算机科学 2018-05-02 Han Bao , Tomoya Sakai , Issei Sato , Masashi Sugiyama

Object category localization is a challenging problem in computer vision. Standard supervised training requires bounding box annotations of object instances. This time-consuming annotation process is sidestepped in weakly supervised…

计算机视觉与模式识别 · 计算机科学 2016-05-30 Ramazan Gokberk Cinbis , Jakob Verbeek , Cordelia Schmid

Various multi-instance learning (MIL) based approaches have been developed and successfully applied to whole-slide pathological images (WSI). Existing MIL methods emphasize the importance of feature aggregators, but largely neglect the…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Yicheng Song , Tiancheng Lin , Die Peng , Su Yang , Yi Xu

Weakly supervised instance labeling using only image-level labels, in lieu of expensive fine-grained pixel annotations, is crucial in several applications including medical image analysis. In contrast to conventional instance segmentation…

计算机视觉与模式识别 · 计算机科学 2019-07-31 Jayaraman J. Thiagarajan , Satyananda Kashyap , Alexandros Karagyris

Labeling data for classification requires significant human effort. To reduce labeling cost, instead of labeling every instance, a group of instances (bag) is labeled by a single bag label. Computer algorithms are then used to infer the…

机器学习 · 统计学 2014-11-18 Anh T. Pham , Raviv Raich , Xiaoli Z. Fern

Weakly-supervised action localization requires training a model to localize the action segments in the video given only video level action label. It can be solved under the Multiple Instance Learning (MIL) framework, where a bag (video)…

计算机视觉与模式识别 · 计算机科学 2020-12-23 Zhekun Luo , Devin Guillory , Baifeng Shi , Wei Ke , Fang Wan , Trevor Darrell , Huijuan Xu

In many pattern recognition problems, a single feature vector is not sufficient to describe an object. In multiple instance learning (MIL), objects are represented by sets (\emph{bags}) of feature vectors (\emph{instances}). This requires…

计算机视觉与模式识别 · 计算机科学 2018-06-22 Veronika Cheplygina , David M. J. Tax

Weakly-supervised temporal action localization aims to localize and recognize actions in untrimmed videos with only video-level category labels during training. Without instance-level annotations, most existing methods follow the…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Huan Ren , Wenfei Yang , Tianzhu Zhang , Yongdong Zhang

We present a simple unified framework for multi-class cost-sensitive boosting. The minimum-risk class is estimated directly, rather than via an approximation of the posterior distribution. Our method jointly optimizes binary weak learners…

计算机视觉与模式识别 · 计算机科学 2016-11-16 Ron Appel , Xavier Burgos-Artizzu , Pietro Perona

In Multiple Instance Learning (MIL), models are trained using bags of instances, where only a single label is provided for each bag. A bag label is often only determined by a handful of key instances within a bag, making it difficult to…

机器学习 · 计算机科学 2022-03-16 Joseph Early , Christine Evers , Sarvapali Ramchurn

Multiple Instance Learning (MIL) gains popularity in many real-life machine learning applications due to its weakly supervised nature. However, the corresponding effort on explaining MIL lags behind, and it is usually limited to presenting…

In computational pathology, whole-slide image (WSI) classification presents a formidable challenge due to its gigapixel resolution and limited fine-grained annotations. Multiple-instance learning (MIL) offers a weakly supervised solution,…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Renao Yan , Qiehe Sun , Cheng Jin , Yiqing Liu , Yonghong He , Tian Guan , Hao Chen

We propose a Multi-Instance-Learning (MIL) approach for weakly-supervised learning problems, where a training set is formed by bags (sets of feature vectors or instances) and only labels at bag-level are provided. Specifically, we consider…

计算机视觉与模式识别 · 计算机科学 2018-07-04 Adria Ruiz , Ognjen Rudovic , Xavier Binefa , Maja Pantic

Multiple-instance learning (MIL) has served as an important tool for a wide range of vision applications, for instance, image classification, object detection, and visual tracking. In this paper, we propose a novel method to solve the…

计算机视觉与模式识别 · 计算机科学 2015-10-06 Xinggang Wang , Zhuotun Zhu , Cong Yao , Xiang Bai

Multiple Instance Learning (MIL) tasks impose a strict logical constraint: a bag is labeled positive if and only if at least one instance within it is positive. While this iff constraint aligns with many real-world applications, recent work…

机器学习 · 计算机科学 2025-11-24 Ehsan Ahmed Dhrubo , Mohammad Mahmudul Alam , Edward Raff , Tim Oates , James Holt

We study a generalization of boosting to the multiclass setting. We introduce a weak learning condition for multiclass classification that captures the original notion of weak learnability as being "slightly better than random guessing". We…

机器学习 · 计算机科学 2023-07-04 Nataly Brukhim , Amit Daniely , Yishay Mansour , Shay Moran

Instance segmentation with neural networks is an essential task in environment perception. In many works, it has been observed that neural networks can predict false positive instances with high confidence values and true positives with low…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Kira Maag , Matthias Rottmann , Serin Varghese , Fabian Hueger , Peter Schlicht , Hanno Gottschalk